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HP 49g+ User Manual

HP 49g+
176 pages
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Page 8-5
(3) Move the cursor up two positions by using
——
. Then press
@-ROW
.
The second row will disappear.
(4) Press
@+ROW@
. A row of three zeroes appears in the second row.
(5) Press
@-COL@
. The first column will disappear.
(6) Press
@+COL@
. A column of two zeroes appears in the first column.
(7) Press
@GOTO@
3
@@OK@@
3
@@OK@@
@@OK@@
to move to position (3,3).
(8) Press
@
STK@@
. This will place the contents of cell (3,3) on the stack,
although you will not be able to see it yet. Press
`
to return to normal
display. The number 9, element (3,3), and the full matrix entered will be
available in the stack.
Simple operations with vectors
To illustrate operations with vectors we will use the vectors u2, u3, v2, and
v3, stored in an earlier exercise. Also, store vector A=[-1,-2,-3,-4,-5] to be
used in the following exercises.
Changing sign
To change the sign of a vector use the key
\
, e.g.,
Addition, subtraction
Addition and subtraction of vectors require that the two vector operands have
the same length:

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HP 49g+ Specifications

General IconGeneral
Display TypeLCD
Display Size131 x 80 pixels
Power4 AAA batteries
TypeGraphing calculator
ProgrammingRPL, System RPL
Dimensions18.7 x 8.7 x 3.9 cm (7.4 x 3.4 x 1.5 in)
Weight215 g

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